Ok so please don't completely trust my answer as i might not know what im talking about.
Piggy's death in TLOTF as well as the destruction of the conch is hugely significant as it symbolizes the death of a voice of reason. Throughout the book piggy took the practical side to things. Often siting the most logical ways and solutions to problems while the conch acted as a cornerstone of control. It was there to keep order and reason.
In some places u are not given the opportunity to go out and do wat ever u want. Unlike the Christians in some countries, the Muslims over there do not want to see them holding a bible or even saying that they are Christians. If u ate caught, u will either pay a fine or u will be killed.
